CA1232343A - Photoelectric smoke detector and alarm system - Google Patents

Photoelectric smoke detector and alarm system

Info

Publication number
CA1232343A
CA1232343A CA000426268A CA426268A CA1232343A CA 1232343 A CA1232343 A CA 1232343A CA 000426268 A CA000426268 A CA 000426268A CA 426268 A CA426268 A CA 426268A CA 1232343 A CA1232343 A CA 1232343A
Authority
CA
Canada
Prior art keywords
light emitting
alarm
combination
emitting diode
set forth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000426268A
Other languages
English (en)
French (fr)
Inventor
Frederick T. Bauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1232343A publication Critical patent/CA1232343A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire Alarms (AREA)
CA000426268A 1982-11-29 1983-04-20 Photoelectric smoke detector and alarm system Expired CA1232343A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/445,083 US4680576A (en) 1982-11-29 1982-11-29 Photoelectric smoke detector and alarm system
US445,083 1982-11-29

Publications (1)

Publication Number Publication Date
CA1232343A true CA1232343A (en) 1988-02-02

Family

ID=23767543

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000426268A Expired CA1232343A (en) 1982-11-29 1983-04-20 Photoelectric smoke detector and alarm system

Country Status (3)

Country Link
US (1) US4680576A (ja)
JP (1) JPS6057494A (ja)
CA (1) CA1232343A (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62166590U (ja) * 1986-03-07 1987-10-22
US5019805A (en) * 1989-02-03 1991-05-28 Flash-Alert Inc. Smoke detector with strobed visual alarm and remote alarm coupling
GB2259761B (en) * 1991-09-18 1995-04-05 Graviner Ltd Kidde Smoke and particle detector
GB2263352B (en) * 1992-01-16 1996-03-20 A1 Security & Electrical Ltd Alarm sensor
JPH0744783A (ja) * 1993-08-04 1995-02-14 Nohmi Bosai Ltd 火災感知装置
WO2000072282A1 (en) * 1999-05-19 2000-11-30 Rokonet Electronics Ltd. Self adjusting smoke detector
US6876305B2 (en) 1999-12-08 2005-04-05 Gentex Corporation Compact particle sensor
US6225910B1 (en) 1999-12-08 2001-05-01 Gentex Corporation Smoke detector
US7068177B2 (en) * 2002-09-19 2006-06-27 Honeywell International, Inc. Multi-sensor device and methods for fire detection
US7616126B2 (en) * 2006-07-18 2009-11-10 Gentex Corporation Optical particle detectors
US10078948B2 (en) * 2016-01-26 2018-09-18 Honeywell International Inc. Smoke detector with a double optical chamber
WO2019089450A1 (en) * 2017-10-30 2019-05-09 Carrier Corporation Compensator in a detector device
CN110956775A (zh) * 2019-12-04 2020-04-03 中国直升机设计研究所 一种直升机火焰探测器及其探测方法
US11900776B2 (en) 2021-06-01 2024-02-13 Honeywell International Inc. Lid of an aspirating smoke detector device
CN113451900B (zh) * 2021-08-03 2022-04-22 南通星宇电气有限公司 一种便于户外安装的移动式变电站

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2407838A (en) * 1942-09-30 1946-09-17 Brown Instr Co Measuring apparatus
US2466696A (en) * 1945-09-25 1949-04-12 Frank A Friswold Dew point hygrometer
US3188593A (en) * 1962-10-10 1965-06-08 Alfred W Vasel Detector assembly
US3733595A (en) * 1971-02-12 1973-05-15 E Benedict Condition responsive switching circuit
CH566059A5 (ja) * 1972-03-07 1975-08-29 Protecbat La Detection Electro
US3810696A (en) * 1973-02-20 1974-05-14 Waters Associates Inc Improved analytical apparatus for measuring light absorbance of fluids
JPS5148297A (en) * 1974-10-22 1976-04-24 Nippon Denso Co Kemurinadono kanchisochi
US4053785A (en) * 1976-01-07 1977-10-11 General Signal Corporation Optical smoke detector with smoke effect simulating means
US4282519A (en) * 1977-10-06 1981-08-04 Honeywell Inc. Interconnection of alarms of smoke detectors with distinguishable alarms
JPS5461497A (en) * 1977-10-26 1979-05-17 Toshiba Electric Equip Smoke sensor
JPS5471683A (en) * 1977-11-17 1979-06-08 Matsushita Electric Ind Co Ltd Smoke sensors
US4232307A (en) * 1978-12-18 1980-11-04 American District Telegraph Company Electrical test circuit for optical particle detector
GB2070859B (en) * 1980-02-07 1984-03-21 Stanley Electric Co Ltd Hetero-junction light-emitting diode
US4333093A (en) * 1980-04-28 1982-06-01 Baker Industries, Inc. Intrusion detection system
US4325058A (en) * 1980-06-11 1982-04-13 Gentex Corporation Pre-intrusion detection and alarm system

Also Published As

Publication number Publication date
JPS6057494A (ja) 1985-04-03
JPH022197B2 (ja) 1990-01-17
US4680576A (en) 1987-07-14

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Legal Events

Date Code Title Description
MKEX Expiry